Drip tape manufacturing process

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6620278
SERIAL NO

09708605

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of forming tubular irrigation drip tape includes the steps of a) extruding a web of material having a pair of longitudinally extending, substantially parallel marginal edges; b) heating a center area of the web between and substantially parallel to the marginal edges utilizing a first focused infrared heating device; c) applying one or more secondary flow path components to the center area; d) heating the marginal edges, utilizing a second and third focused infrared heating device; e) folding the web such that the marginal edges overlap to form a seam; and f) applying pressure to the seam.

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Patent Owner(s)

Patent OwnerAddress
NELSON IRRIGATION CORPORATIONBOX 169 ROUTE 4 WALLA WALLA WA 99362

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bren, Theodore J Walla Walla, WA 2 64
Harrold, Charles R Walla Walla, WA 7 70

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